Cases citing D.J. Butcher v. (1) Petrocorp Exploration Ltd. (2) Petrocorp Exploration (Taranaki) Ltd. (3) Payzone Exploration Ltd. (4) Southern Petroleum No Liability (5) Nomeco New Zealand Exploration Co. (6) Bligh Oil & Minerals (NZ) Ltd. And (7) Carpentaria Exploration Co. (NZ) Ltd. Co (New Zealand)